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Scala example source code file (TableSwitchInsnNode.java)

This example Scala source code file (TableSwitchInsnNode.java) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

abstractinsnnode, arraylist, asm, label, labelnode, list, map, methodvisitor, override, tableswitch_insn, tableswitchinsnnode

The TableSwitchInsnNode.java Scala example source code

/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package scala.tools.asm.tree;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import scala.tools.asm.Label;
import scala.tools.asm.MethodVisitor;
import scala.tools.asm.Opcodes;

/**
 * A node that represents a TABLESWITCH instruction.
 *
 * @author Eric Bruneton
 */
public class TableSwitchInsnNode extends AbstractInsnNode {

    /**
     * The minimum key value.
     */
    public int min;

    /**
     * The maximum key value.
     */
    public int max;

    /**
     * Beginning of the default handler block.
     */
    public LabelNode dflt;

    /**
     * Beginnings of the handler blocks. This list is a list of
     * {@link LabelNode} objects.
     */
    public List<LabelNode> labels;

    /**
     * Constructs a new {@link TableSwitchInsnNode}.
     *
     * @param min
     *            the minimum key value.
     * @param max
     *            the maximum key value.
     * @param dflt
     *            beginning of the default handler block.
     * @param labels
     *            beginnings of the handler blocks. <tt>labels[i]</tt> is the
     *            beginning of the handler block for the <tt>min + i</tt> key.
     */
    public TableSwitchInsnNode(final int min, final int max,
            final LabelNode dflt, final LabelNode... labels) {
        super(Opcodes.TABLESWITCH);
        this.min = min;
        this.max = max;
        this.dflt = dflt;
        this.labels = new ArrayList<LabelNode>();
        if (labels != null) {
            this.labels.addAll(Arrays.asList(labels));
        }
    }

    @Override
    public int getType() {
        return TABLESWITCH_INSN;
    }

    @Override
    public void accept(final MethodVisitor mv) {
        Label[] labels = new Label[this.labels.size()];
        for (int i = 0; i < labels.length; ++i) {
            labels[i] = this.labels.get(i).getLabel();
        }
        mv.visitTableSwitchInsn(min, max, dflt.getLabel(), labels);
    }

    @Override
    public AbstractInsnNode clone(final Map<LabelNode, LabelNode> labels) {
        return new TableSwitchInsnNode(min, max, clone(dflt, labels), clone(
                this.labels, labels));
    }
}

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